MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded links that point to known malicious redirector infrastructure, specifically 'https://traffmen.ru/strik?utm_term=41148+lego+price'. Heuristic analysis and ML classification strongly indicate malicious intent, with ClamAV also detecting it as a phishing trojan. The document body appears to be heavily obfuscated or corrupted, but the presence of the malicious URL is the primary indicator of the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://traffmen.ru/strik?utm_term=41148+lego+price In PDF document text
- https://cdn-cms.f-static.net/uploads/4490269/normal_5fb6b621149a0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467036/normal_5fd2ac9d2fd26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374362/normal_5f9f2b3bc5d3c.pdfIn PDF document text
- https://cdn.sqhk.co/vurelakixu/ijhcShb/zofusi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449771/normal_5fd8797e08fb8.pdfIn PDF document text
- https://cdn.sqhk.co/fujalapevame/jjgBsBu/water_slide_rentals_near_mesquite_tx.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wupiwupiwot/como_aprender_a_aprender_ingles.pdfIn PDF document text
- https://s3.amazonaws.com/gogonof/indeed_assessment_answers_graphic_design.pdfIn PDF document text
- https://s3.amazonaws.com/roware/lalomumu.pdfIn PDF document text
- https://s3.amazonaws.com/jexijer/97446649984.pdfIn PDF document text
- https://s3.amazonaws.com/sesafefanulokam/bedijulewaretikajawubo.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7AF | 4952 bytes |
SHA-256: 2f93136ed9a7bb8179d56148c6176bf0685b8ac1ee83ee756ea6a125f38b6d19 |
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font_01_sfnt_off0000e8ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AB | 10888 bytes |
SHA-256: 1b733210b3e52deee4d9e9c751c25a91edd0f7bcb085b522c405590d7976131a |
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